Home / 69,135.48-95,378.58-51,274.44

Finding the Fourth Proportional to 69,135.48, 95,378.58 and 51,274.44

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Solution

The fourth proportional to 69,135.48, 95,378.58 and 51,274.44 is: 70,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.48 : 95,378.58 = 51,274.44 : x
  2. Step 2: Convert to fraction form
    69,135.48/95,378.58 = 51,274.44/x
  3. Step 3: Cross multiply
    69,135.48x = 95,378.58 × 51,274.44
  4. Step 4: Simplify right side
    69,135.48x = 4,890,483,277.50
  5. Step 5: Solve for x
    x = 4,890,483,277.50/69,135.48
  6. Step 6: Final answer
    x = 70,737.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.